What is the FD Calculator?
A Fixed Deposit (FD) calculator estimates maturity value and interest from the principal, annual rate, tenure and compounding frequency you enter. Rates and terms vary by institution and product, so use the rate shown in the deposit document you are evaluating.
The result is a pre-tax mathematical projection, not a product recommendation or quotation. Interest may be taxable, and TDS applicability depends on current tax rules, payer type and taxpayer circumstances; this calculator does not determine actual TDS or final tax liability.
How does it work?
The calculator applies A = P × (1 + r/n)^(n×t), where P is principal, r is the entered annual rate, n is the entered compounding frequency and t is tenure in years. Effective annual yield is (1 + r/n)^n − 1.
Enter the annual interest rate and compounding convention applicable to the specific deposit. The calculator assumes that entered rate remains unchanged for the modeled tenure; it does not claim that the same market rate will remain available.
Worked example
For an illustrative ₹5,00,000 deposit, enter the rate, tenure and compounding frequency shown in the relevant deposit document. The calculator displays the modeled maturity amount and interest under those inputs. Change one input at a time to compare scenarios; the output does not assess institution credit risk, liquidity, deposit insurance coverage or tax suitability.
When to use this calculator
- 1Comparing maturity values for deposit rates and compounding terms you have obtained from product documents.
- 2When planning for a specific financial goal — such as a child's college admission fee in 2 years or a home down payment in 3 years — to calculate exactly how much you need to deposit today.
- 3Modeling a separately quoted depositor-specific rate by entering that rate directly.
- 4When deciding between a cumulative FD (interest paid at maturity) and a non-cumulative FD (monthly or quarterly interest payouts), to compare total interest earned under each option.
- 5Understanding how tenure and compounding frequency affect a fixed-interest deposit projection.
Common mistakes to avoid
- ✕Treating the pre-tax projection as take-home proceeds. TDS and final tax liability depend on current rules and personal circumstances.
- ✕Assuming the calculator assesses deposit protection or institution credit risk. Review current DICGC rules and product documents separately.
- ✕Assuming a modeled rate will also apply at renewal. Renewal terms and rates may differ.
- ✕Ignoring lock-in, premature-withdrawal and renewal terms that are outside this calculation.
- ✕Comparing cumulative and payout deposits as if their cash-flow timing were identical.
Frequently asked questions
- Does this calculator determine FD tax or TDS?
- No. It shows a pre-tax projection. TDS applicability and final tax liability depend on current law, payer type and taxpayer circumstances. Verify the current rules for the relevant financial year.
- Can I compare a bank FD with another fixed-interest deposit?
- Yes. Enter each product's documented rate, tenure and compounding frequency separately. Compare liquidity, tax, protection and issuer terms outside the calculator; it does not rank products.
- What happens if I break an FD before maturity?
- The applicable rate and any premature-withdrawal adjustment depend on the provider and deposit terms. This calculator does not model early closure; check the specific product disclosure.
- Can NRIs use this calculator for an FD scenario?
- Yes. Enter the documented rate and compounding terms for the relevant deposit. NRE, NRO and FCNR deposits can have different tax, currency and repatriation rules that this calculator does not evaluate.
- Can I model a flexi or sweep-in FD?
- You can model a fixed principal, rate and tenure, but automatic sweeps and partial withdrawals create cash flows this calculator does not represent. Review the specific account terms separately.